LAUNCH X-431 V V4.0 User Manual
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Report: To save the current data in text format. All reports are saved under the
tab “Diagnostic Report” in “My Report”. For details on report operations, please
refer to Chapter 9.1 “My Report”.
Record: Tap to start recording diagnostic data for future playback and analysis.
The saved file follows the naming rule: It begins with vehicle type, and then the
record starting time and ends with .x431 (To differentiate between files, please
configure the accurate system time). The file is stored in “My Report” under
“User Info” menu.
Help: Tap to view the help information.
E. Actuation Test
This option is used to access vehicle-specific subsystem and component tests.
Available test vary by vehicle manufacturer, year, and model.
During the actuation test, the tool outputs commands to the ECU in order to
drive the actuators, and then determines the integrity of the system or parts by
reading the ECU data, or by monitoring the operation of the actuators, such as
switching a injector between two operating states.
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